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UPSC CSE 2024 Ecology Previous Year Questions

3 questions with answers and explanations. Practice these interactively

Question 1

One of the following regions has the world's largest tropical peatland, which holds about three years worth of global carbon emissions from fossil fuels; and the possible destruction of which can exert detrimental effect on the global climate. Which one of the following denotes that region?

  1. (a) Amazon Basin
  2. (b) Congo Basin
  3. (c) Kikori Basin
  4. (d) Rio de la Plata Basin

Answer: (b)

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Question 2

Consider the following statements:

Statement-I: Many chewing gums found in the market are considered a source of environmental pollution.

Statement-II: Many chewing gums contain plastic as gum base.

Which one of the following is correct in respect of the above statements?

  1. (a) Both Statement-I and Statement-II are correct and Statement-II explains Statement-I
  2. (b) Both Statement-I and Statement-II are correct, but Statement-II does not explain Statement-I
  3. (c) Statement-I is correct, but Statement-II is incorrect
  4. (d) Statement-I is incorrect, but Statement-II is correct

Answer: (a)

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Question 3

According to the Environmental Protection Agency (EPA), which one of the following is the largest source of sulphur dioxide emissions?

  1. (a) Locomotives using fossil fuels
  2. (b) Ships using fossil fuels
  3. (c) Extraction of metals from ores
  4. (d) Power plants using fossil fuels

Answer: (d)

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